Friday October 16, 1998 - Question 7

Which of the following statements about the clinical manifestations of the calcium channel blockers is correct?

A. Verapamil is known to have less effect on cardiac conduction than other calcium channel blockers.

B. It appears that hypotension induced by diltiazem is due to vasodilation.

C. Hypotension, atrioventricular block, and asystole have all been reported following overdose of verapamil and diltiazem.

D. In calcium channel blocker toxicity, it is uncommon for hypotension to persist following correction of electrical activity and conduction disturbances.

E. Diltiazem and verapamil have no effect on reflex tachycardia that occurs secondary to hypotension.
 
 

Discussion